Home / 75,775.50-113,667.81-23,185.44

Finding the Fourth Proportional to 75,775.50, 113,667.81 and 23,185.44

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Solution

The fourth proportional to 75,775.50, 113,667.81 and 23,185.44 is: 34,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,775.50 : 113,667.81 = 23,185.44 : x
  2. Step 2: Convert to fraction form
    75,775.50/113,667.81 = 23,185.44/x
  3. Step 3: Cross multiply
    75,775.50x = 113,667.81 × 23,185.44
  4. Step 4: Simplify right side
    75,775.50x = 2,635,438,101.74
  5. Step 5: Solve for x
    x = 2,635,438,101.74/75,775.50
  6. Step 6: Final answer
    x = 34,779.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.